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the Copeland 940-0140-04 Relay is built to withstand extreme mechanical room environments
you must ensure the power element's sensing bulb charge matches the original Emerson Alco 057370 specifications to maintain accurate calibration
Most OEM assemblies include the integration hub with a set screw already tapped
Technicians should verify 12VDC circuit stability
allowing for efficient load management of whole-house fans
York S1-026-32088-003 Wheel 30067439-890 the Copeland 940-0140-04 Relay isThe York S1 026 32088 003 is a precision engineered OEM furnace blower wheel designed for high static pressure applications in York, Coleman, and Luxaire air handlers. This centrifugal blower wheel features a 12 inch diameter and 11. 5 inch width, providing the necessary cubic feet per minute (CFM) to maintain system efficiency. With a 1 2 inch bore size, this wheel mounts directly to standard motor shafts, ensuring a secure fit and reducing vibration